<template>
	<div class="mod-config">
		<el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
      </el-form-item>
			<el-form-item>
        <el-button @click="getDataList()">查询</el-button>
				<el-button type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button type="danger" @click="deleteHandle()"
                   :disabled="dataListSelections.length <= 0">批量删除</el-button>
			</el-form-item>
		</el-form>
		<el-table :data="dataList" border v-loading="dataListLoading" @selection-change="selectionChangeHandle"
			style="width: 100%;">
			<el-table-column type="selection" header-align="center" align="center" width="50">
			</el-table-column>
      <el-table-column type="index" header-align="center" align="center" width="100" label="序号">
        <template #default="scope">
          <span>{{ (pageIndex - 1) * pageSize + scope.$index + 1 }}</span>
        </template>
      </el-table-column>
			<el-table-column prop="name" header-align="center" align="center" label="名称">
			</el-table-column>
			<el-table-column prop="type" header-align="center" align="center" label="商品类别">
			</el-table-column>
			<el-table-column prop="parentId" header-align="center" align="center"
				label="商品级别">
			</el-table-column>
			<el-table-column prop="orderNum" header-align="center" align="center" label="优先级">
			</el-table-column>
			<el-table-column header-align="center" align="center" width="200px" label="创建时间">
      <template slot-scope="scope">
        {{new Date(scope.row.createTime).toLocaleString()}}
      </template>
			</el-table-column>
			<el-table-column header-align="center" align="center" width="200px" label="更新时间">
        <template slot-scope="scope">
          {{new Date(scope.row.createTime).toLocaleString()}}
        </template>
			</el-table-column>
      <el-table-column header-align="center" align="center" width="150" label="操作">
        <template #default="scope">
          <el-button
              size="mini"
              @click="addOrUpdateHandle(scope.row.id)"
          >
            修改
          </el-button>
          <el-button
              type="danger"
              size="mini"
              @click="deleteHandle(scope.row.id)"
          >
            删除
          </el-button>
        </template>
      </el-table-column>
		</el-table>
		<el-pagination  align="right" @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex"
			:page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage"
			layout="total, sizes, prev, pager, next, jumper">
		</el-pagination>
		<!-- 弹窗, 新增 / 修改 -->
		<add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>
	</div>
</template>

<script>
	import AddOrUpdate from './category-add-or-update'
	export default {
		data() {
			return {
				dataForm: {
					key: ''
				},
				dataList: [],
				pageIndex: 1,
				pageSize: 10,
				totalPage: 0,
				dataListLoading: false,
				dataListSelections: [],
				addOrUpdateVisible: false
			}
		},
		components: {
			AddOrUpdate
		},
		mounted() {
      this.getDataList()
    },
    methods: {
			// 获取数据列表
			getDataList() {
				this.dataListLoading = true
				let url = '/admin/category/list';
        let data = {
          pageNum: this.pageIndex,
          pageSize: this.pageSize,
          name: this.dataForm.key
            };
        this.$http.post(url, data).then(resp => {
          this.dataList = resp.data.page.list;
          this.totalPage  =resp.data.page.total;
          this.dataListLoading = false;
        });
			},
			// 每页数
			sizeChangeHandle(val) {
				this.pageSize = val
				this.pageIndex = 1
				this.getDataList()
			},
			// 当前页
			currentChangeHandle(val) {
				this.pageIndex = val
				this.getDataList()
			},
			// 多选
			selectionChangeHandle(val) {
				this.dataListSelections = val
			},
			// 新增 / 修改
			addOrUpdateHandle(id) {
				this.addOrUpdateVisible = true
				this.$nextTick(() => {
					this.$refs.addOrUpdate.init(id)
				})
			},
			// 删除
			deleteHandle(id) {
        let ids = id ? [id] : this.dataListSelections.map(item => {
          return item.id
        });
				this.$confirm(`确认要删除选中的记录吗?`, '提示', {
					confirmButtonText: '确定',
					cancelButtonText: '取消',
					type: 'warning'
				}).then(() => {
					this.$http.post('admin/category/delete', {ids}).then(resp => {
						if (resp.data.code == 200) {
							this.$message({
								message: '操作成功',
								type: 'success',
								duration: 1500,
								onClose: () => {
									this.getDataList()
								}
							})
						} else {
              this.$message({
                message: "未能删除记录",
                type: "warning",
                duration: 1500
              });
            }
					});
				}).catch(error => {
        });
			}
		}
	}
</script>